A developer shared that running Claude CLI inside Codex App's terminal works well and simplifies monitoring multiple AI agents when working with both Anthropic and OpenAI tools at the same time. This informal workaround appeals to teams juggling multiple LLMs without needing separate applications.
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A developer posted on Reddit that they successfully ran Claude CLI (a command-line tool for Anthropic's Claude AI) inside the Codex App terminal, allowing them to monitor both Claude and OpenAI agents side-by-side during coding work.
Why it matters
For teams working with both Anthropic and OpenAI tools simultaneously, this approach eliminates the need to switch between separate windows or applications, keeping visibility of both AI agents in one interface—a practical workflow optimization for multi-LLM development.
What to watch
This is an informal community finding rather than an official feature; the post frames it as a "Frankenstein approach" and suggests any CLI tool can run in Codex, not a formally supported integration.
The post reflects a practical gap in modern AI development: as engineers increasingly work with multiple LLM providers—Anthropic's Claude and OpenAI's tools in this case—they lack built-in integration or unified dashboards. The developer's workaround of nesting Claude CLI inside Codex App's terminal is lightweight and requires no new software, which explains why they chose to share it. This kind of grassroots solution often signals where the market may see demand for deeper integration; teams working across multiple AI vendors are searching for ways to reduce context-switching and keep both agents visible during active work. However, the post carries no indication that Anthropic or OpenAI plan to formalize such an integration, so for now it remains a user-discovered technique rather than a supported workflow.
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